Home / 534,932.20-802,851.90-219,615.40

Finding the Fourth Proportional to 534,932.20, 802,851.90 and 219,615.40

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Solution

The fourth proportional to 534,932.20, 802,851.90 and 219,615.40 is: 329,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,932.20 : 802,851.90 = 219,615.40 : x
  2. Step 2: Convert to fraction form
    534,932.20/802,851.90 = 219,615.40/x
  3. Step 3: Cross multiply
    534,932.20x = 802,851.90 × 219,615.40
  4. Step 4: Simplify right side
    534,932.20x = 176,318,641,159.26
  5. Step 5: Solve for x
    x = 176,318,641,159.26/534,932.20
  6. Step 6: Final answer
    x = 329,609.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.